EP 0048080 B1 19880706 - POLYIMIDES
Title (en)
POLYIMIDES
Publication
Application
Priority
- US 18666880 A 19800912
- US 25413781 A 19810414
- US 25413881 A 19810414
- US 26745981 A 19810527
- US 26746081 A 19810527
Abstract (en)
[origin: EP0048080A2] Terpolyimides are prepared from tetracarboxylic acid esters and combinations of heterocyclic aromatic, and aliphatic diamines. Precursors, and methods of converting them to the corresponding terpolymers are described. The terpolyimides are useful as foams.
IPC 1-7
IPC 8 full level
C08G 73/10 (2006.01); C08J 9/02 (2006.01)
CPC (source: EP)
C08G 73/1007 (2013.01); C08G 73/1028 (2013.01); C08J 9/02 (2013.01); C08J 2379/08 (2013.01)
Citation (examination)
Designated contracting state (EPC)
CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0048080 A2 19820324; EP 0048080 A3 19820804; EP 0048080 B1 19880706; CA 1198546 A 19851224; DE 3176805 D1 19880811
DOCDB simple family (application)
EP 81303041 A 19810703; CA 385181 A 19810903; DE 3176805 T 19810703